CN110803551A

CN110803551A - Bandage winding device

Info

Publication number: CN110803551A
Application number: CN201911076987.4A
Authority: CN
Inventors: 朱志阳; 朱志才; 陶小亮; 杨春; 王礼苗
Original assignee: NANJING 3H MEDICAL CO Ltd
Current assignee: NANJING 3H MEDICAL CO Ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-02-18
Anticipated expiration: 2039-11-06
Also published as: WO2021088328A1; CN110803551B

Abstract

The invention discloses a bandage winding device which comprises a rack (1), a rotating head (2), N winding shafts (3), a first driving motor (4) and a second driving motor (5), wherein N is a positive integer, the rotating head (2) is installed on the rack (1) and is driven by the first driving motor (4) to rotate relative to the rack (1), the winding shafts (3) are installed on the rotating head (2) and are used for placing paper tubes for winding bandages, the winding shafts (3) are driven by the second driving motor (5) to rotate, the winding shafts (3) are used for winding the bandages on the paper tubes in a rotating mode, and the first driving motor (4) drives the rotating head (2) to rotate for 360 degrees/N each time so as to change the positions of the winding shafts (3). The utility model has the advantages that: the continuous winding device can realize the continuous winding of the bandage, improves the winding efficiency of the bandage, and has the advantages of simple structure and convenient operation.

Description

Bandage winding device

Technical Field

The invention relates to a bandage rolling device.

Background

The last step of the manufacture of the bandage is rolling, the bandage is rolled on a paper tube after glue is coated on the bandage, the current bandage rolling is completed on a rolling device, the existing rolling device comprises a rack, a rolling shaft and a driving motor, the driving motor drives the rolling shaft to rotate, the paper tube is sleeved on the rolling shaft, the driving motor drives the rolling shaft to rotate, the bandage is rolled on the paper tube, the rolling device with the structure needs to be stopped after one paper tube is rolled, the bandage is cut off, the paper tube wound with the bandage is taken off from the rolling shaft, another paper tube is sleeved on the paper tube for paper rolling, the middle of the rolling of the bandage is interrupted, the actual effective rolling time is short, and the efficiency of the bandage rolling is low.

Disclosure of Invention

The invention aims to provide a bandage rolling device, which solves the technical defect of low bandage rolling efficiency in the prior art.

In order to solve the problems, the technical scheme adopted by the invention is as follows: bandage coiling mechanism, which comprises a frame, the head rotates, N rolling axle, first driving motor and second driving motor, wherein N is the positive integer, rotate the head and install in the frame and rotate by the relative frame of first driving motor drive, the rolling axle is installed and is used for placing the fiber container of rolling bandage and the rolling axle is rotated by the second driving motor drive in the overhead fiber container that is used for rotating the head, the rolling axle rotates and is used for rolling the bandage on the fiber container, first driving motor drives the first pivoted angle of rotation at every turn and is 360/N and be used for changing the position of rolling axle. According to the invention, the first driving motor drives the rotating head to rotate, the winding shaft is arranged on the rotating head, so that the winding shaft and the rotating head rotate together, the winding shaft is driven by the second driving motor to rotate to wind the bandage on the paper tube on the winding shaft, the rotating head rotates once, the position of the winding shaft is changed once, and the winding shaft rotates uninterruptedly, so that the bandage is wound uninterruptedly, and the winding efficiency of the bandage is improved.

As a further improvement of the invention, the rotating head comprises a gear box, a central wheel and planet wheels with the number equal to that of the winding shafts, the gear box is rotatably arranged on the rack and driven by a first driving motor, the central wheel and the planet wheels are rotatably arranged in the gear box, the planet wheels are uniformly arranged along the circumferential direction of the central wheel and all the planet wheels are meshed with the central wheel, the rotating shaft of the central wheel extends out of the gear box and is connected with a second driving motor, the rotating shaft of the planet wheels extends out of the gear box and is used for mounting the winding shafts, the rotating shafts of the central wheel and the planet wheels respectively extend out of the gear box from two sides of the gear box, the first driving motor drives the gear box and the winding shafts to rotate, and the second. The planetary gear transmission mechanism is provided with the central wheel and the planetary gears, and the central wheel is meshed with the planetary gears, so that one second driving motor drives all the planetary gears to rotate.

As a further improvement of the invention, the gear box comprises a box body, a cavity for mounting the central wheel and the planet wheels is arranged on the box body, an inner end cover and an outer end cover are detachably mounted on the box body, the inner end cover is attached to the outer end cover, a central wheel shaft hole and first planet wheel through holes with the number equal to that of the planet wheels are formed in the inner end cover, second planet wheel through holes corresponding to the first planet wheel through holes are formed in the outer end cover, the end part of a rotating shaft of the central wheel is rotatably connected with the central wheel shaft hole, and the rotating shaft of the planet wheels penetrates through the first planet wheel through holes and the second planet wheel through holes to be detachably connected with. The inner end cover is arranged for supporting the rotating shaft of the central wheel and the planet wheel, and the outer end cover is arranged for preventing the end part of the rotating shaft of the central wheel from extending out of the inner end cover, so that the sealing property of the gear box is better, and powder or other objects are prevented from entering the gear box.

As a further improvement of the invention, one end of the gear box far away from the winding shaft is provided with a box rotating shaft which is rotatably connected with the frame, the box rotating shaft is connected with a first driving motor, one end of the rotating shaft of the central wheel far away from the winding shaft extends out of the box rotating shaft, the rotating shaft of the central wheel is coaxially arranged with the box rotating shaft and is rotatably connected with the box rotating shaft, and the rotating shaft of the central wheel is connected with a second driving motor. The invention is provided with the box body rotating shaft for rotationally connecting the box body and the rack, and can ensure that the rotating shaft of the central wheel can rotate relative to the gear box.

As a further improvement of the invention, the invention also comprises a rotating shaft mounting sleeve, the rotating shaft mounting sleeve is detachably mounted on the rack, and the rotating shaft of the box body is rotatably connected with the rotating shaft mounting sleeve. The rotating shaft mounting sleeve is arranged, so that the rotating shaft of the box body is conveniently and rotatably connected with the rack.

As a further improvement of the invention, the winding device further comprises a first proximity switch and a second proximity switch, the number of the winding shafts is four, the second proximity switch is mounted on the rack, four detection rods are uniformly arranged on one side, close to the rack, of the rotating head along the circumferential direction of the rotating head, when the rotating head rotates to the point that the second proximity switch detects the detection rods, the first driving motor stops rotating, the first proximity switch is arranged on the rack, a detection block is arranged at the end part, away from the winding shaft, of the rotating shaft of the central wheel, and the first proximity switch detects the detection block and controls the first driving motor to rotate for M times, wherein M is a positive integer. The first proximity switch and the second proximity switch are arranged, so that the rotation of the gear box is convenient to position, and the length of a bandage wound on the winding shaft is convenient to determine.

As a further improvement of the invention, the detection block comprises a first detection unit and a second detection unit which are in strip shapes, the first detection unit and the second detection unit are perpendicular to each other, a first fixing groove is formed in one side, close to the second detection unit, of the first detection unit, one side, close to the first detection unit, of the second detection unit extends into the first fixing groove, and the first detection unit and the second detection unit are detachably mounted at the end part of the rotating shaft of the center wheel through a first bolt penetrating through the first fixing groove. According to the bandage rolling length detection device, the first detection unit and the second detection unit enable the central wheel rotating shaft to be detected once when rotating for a quarter of a turn, the number of times that the first proximity switch detects the detection block can be determined according to the length of a bandage to be rolled, and the bandage rolling length accuracy is improved.

As a further improvement of the invention, a second fixing groove is formed on one side of the second detection unit close to the first detection unit, the first fixing groove is matched with the second fixing groove, and the first detection unit is also rotatably connected with the rotating shaft of the center wheel by a second bolt positioned on the first fixing groove. The first fixing groove and the second fixing groove are matched, so that the first detection unit and the second detection unit do not rotate relatively, the second bolt is arranged, the first detection unit and the rotating shaft of the central wheel are fixed and do not rotate relatively, the whole detection block and the rotating shaft of the central wheel are ensured to rotate relatively, and the bandage rolling precision is further improved.

As a further improvement of the invention, the bandage device also comprises a bracket for supporting bandages, wherein the bracket is horizontally arranged on the rack by a plurality of support rods, the top of the bracket is provided with a conveying groove along the length direction, the bandages are conveyed in the conveying groove, and the height of the bottom of the conveying groove is greater than that of the center line of the rotating head. The invention is provided with the bracket which is used for supporting the bandage when the bandage is rolled.

As a further improvement of the invention, the air drying device comprises an air drying pipe, the air drying pipe is arranged on the rack and is positioned right above the bracket, the air drying pipe is communicated with the air blowing device, and the bottom of the air drying pipe is provided with a plurality of air outlet holes for drying bandages on the bracket. The air drying device is arranged, and the bandage can be dried quickly due to the fact that the adhesive is coated before the bandage is rolled.

In conclusion, the beneficial effects of the invention are as follows: the continuous winding device can realize the continuous winding of the bandage, improves the winding efficiency of the bandage, and has the advantages of simple structure and convenient operation.

Drawings

Fig. 1 is a schematic perspective view of a first angle of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a perspective view of a second angle of the present invention.

Fig. 4 is a partially enlarged view at B in fig. 3.

Fig. 5 is a perspective view of a third angle of the present invention.

Fig. 6 is a partially enlarged view at C in fig. 5.

Fig. 7 is an exploded perspective view of the rotator head of the present invention.

Fig. 8 is an exploded perspective view of the rotator head of the present invention at another angle.

Fig. 9 is a partial enlarged view at D in fig. 8.

Wherein: 1. a frame; 2. rotating the head; 3. a winding shaft; 4. a first drive motor; 5. a second drive motor; 6. a gear case; 7. a center wheel; 8. a planet wheel; 9. a box body; 10. an inner end cap; 11. an outer end cover; 12. a central axle bore; 13. a first planet through-hole; 14. a second planet wheel through hole; 15. a box body rotating shaft; 151. a connecting plate; 152. a shaft body; 16. a rotating shaft mounting sleeve; 17. a first proximity switch; 18. a second proximity switch; 19. a detection lever; 20. a detection block; 21. a first detection unit; 22. a second detection unit; 23. a first fixing groove; 24. a first bolt; 25. a second fixing groove; 26. a second bolt; 27. a towing bracket; 28. a support bar; 29. a conveying trough; 30. an air-drying pipe; 31. a threaded hole; 32. an inner mounting hole; 33. an outer mounting hole; 34. installing a bolt; 35. a rotating shaft fixing hole; 36. mounting a through hole; 37. a rotating shaft mounting hole; 38. a first driven sprocket; 39. a second driven sprocket; 40. a first drive sprocket; 41. a second drive sprocket; 42. a first chain; 43. a second chain; 44. a first tensioning wheel; 45. a second tensioning wheel; 46. a sensor mounting bracket; 47. a first proximity switch mounting bracket; 48. a fixing through hole; 49. an L-shaped bracket; 50. a fixing ring; 51. a pull rod.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

Example 1

The bandage rolling device as shown in fig. 1 to 9 comprises a frame 1, a rotating head 2, N rolling shafts 3, a first driving motor 4 and a second driving motor 5, wherein N is a positive integer, the rotating head 2 is mounted on the frame 1 and is driven by the first driving motor 4 to rotate relative to the frame 1, the rolling shaft 3 is mounted on the rotating head 2 and is used for placing a paper tube for rolling the bandage, the rolling shaft 3 is driven by the second driving motor 5 to rotate, the rolling shaft 3 is rotated and is used for rolling the bandage on the paper tube, the first driving motor 4 drives the rotating head 2 to rotate at an angle of 360 degrees/N for changing the position of the rolling shaft 3, when in use, the paper tube is sleeved on the rolling shaft 3, the second driving motor 5 drives the rolling shaft 3 to rotate to roll the bandage on the paper tube, after one paper tube is rolled, the first driving motor 4 drives the rotating head 2 to rotate at an angle of 360 degrees/N, the bandage contacts with the other winding shaft 3 and is adhered to the other winding shaft 3, the bandage is cut off between the two winding shafts 3 by manual operation at the moment, and the bandage is wound on the other winding shaft 3, so that the bandage is wound continuously.

The rotating head 2 comprises a gear box 6, a central wheel 7 and planet wheels 8 with the number equal to that of the winding shafts 3, the gear box 6 is rotatably arranged on the frame 1 and is driven by a first driving motor 4 to rotate relative to the frame 1, the central wheel 7 and the planet wheels 8 are both gears and are both rotatably arranged in the gear box 6, the planet wheels 8 are uniformly arranged along the circumferential direction of the central wheel 7, all the planet wheels 8 are meshed with the central wheel 7, the rotating shaft of the central wheel 7 extends out of the gear box 6 and is connected with a second driving motor 5, the rotating shafts of the planet wheels 8 extend out of the gear box 6 and are used for mounting the winding shafts 3, the rotating shafts of the central wheel 7 and the planet wheels 8 respectively extend out of the gear box 6 from two sides of the gear box 6, wherein the planet wheels 8 extend out of the gear box 6 from the direction far away from the frame 1, and the first driving motor 4 drives the gear box 6, the second driving motor 5 drives the central wheel 7 to rotate, the central wheel 7 drives the planet wheel 8 to rotate in a rotating mode, and the winding shaft 3 connected with the planet wheel 8 and the planet wheel 8 rotate synchronously.

The gear box 6 comprises a cylindrical box body 9, a cavity for mounting a central wheel 7 and planet wheels 8 is arranged on the box body 9, the opening of the cavity faces to the direction far away from a rack 1, an inner end cover 10 and an outer end cover 11 are detachably mounted on the box body 9 by mounting bolts 34, a plurality of threaded holes 31 are uniformly formed in the box body 9 along the circumferential direction of the cavity, inner mounting holes 32 and outer mounting holes 33 corresponding to the threaded holes 31 are respectively formed in the inner end cover 10 and the outer end cover 11, the mounting bolts 34 sequentially penetrate through the outer mounting holes 33 and the inner mounting holes 32 to mount the outer end cover 11 and the inner end cover 10 on the box body 9, the central wheel 7 and the planet wheels 8 are mounted in the box body 9, the inner end cover 10 is attached to the outer end cover 11 after mounting is finished, a central wheel shaft hole 12 and first planet wheel through holes 13 with the number equal to that of the planet wheels 8 are formed in the inner end cover 10, the outer end cover 11 is provided with a second planet wheel through hole 14 corresponding to the first planet wheel through hole 13, the end part of a rotating shaft of the central wheel 7 is rotatably connected with a central wheel shaft hole 12 through a bearing, the rotating shaft of the planet wheel 8 penetrates through the first planet wheel through hole 13 and the second planet wheel through hole 14 to be detachably connected with the winding shaft 3, the rotating shaft of the planet wheel 8 is rotatably connected with the first planet wheel through hole 13 through a bearing, and the aperture of the second planet wheel through hole 14 is slightly larger than the diameter of the planet wheel 8 so as to ensure that the rotating shaft of the planet wheel 8 rotates relative to the outer end cover 11. The bottom of the cavity of the box body 9 is provided with a rotating shaft fixing hole 35 corresponding to the rotating shaft of the planet wheel 8, one end of the rotating shaft of the planet wheel 8, which is far away from the winding shaft 3, is rotatably arranged in the rotating shaft fixing hole 35 by adopting a bearing, and the bottom of the cavity of the box body 9 is provided with an installation through hole 36 which penetrates through the bottom and the inside of the cavity and is used for the rotating shaft of the central wheel 7 to pass through.

The invention is characterized in that a box rotating shaft 15 is arranged at one end of a gear box 6 far away from a winding shaft 3, the box rotating shaft 15 comprises a circular connecting plate 151 and a cylindrical shaft body 152, the connecting plate 151 and the shaft body 152 are manufactured in an integrated mode, the connecting plate 151 is detachably arranged at one side of a box 9 far away from the winding shaft 3 by bolts, the shaft body 152 of the box rotating shaft 15 is rotatably connected with a frame 1, the shaft body 152 of the box rotating shaft 15 is connected with a first driving motor 4, a rotating shaft mounting hole 37 penetrating through the connecting plate 151 and the shaft body 152 is formed in the box rotating shaft 15 along the axial direction of the shaft body 152, one end of a rotating shaft of a central wheel 7 far away from the winding shaft 3 sequentially extends out of a mounting through hole 36 and the rotating shaft mounting hole 37 in the box rotating shaft 15, and the rotating shaft of the central wheel 7 is coaxially arranged with the box rotating shaft 15, the rotating shaft of the central wheel 7 is connected with the second driving motor 5.

The box rotating shaft 15 is rotatably connected with the rack 1 through the rotating shaft mounting sleeve 16, the rotating shaft mounting sleeve 16 comprises a sleeve made of metal and a connecting flange arranged on the sleeve, sleeve mounting holes penetrating through two sides of the rack 1 are formed in the rack 1, the sleeve penetrates through the sleeve mounting holes, the connecting flange is detachably mounted on the rack 1 through bolts, and a shaft body 152 of the box rotating shaft 15 is rotatably connected with the rotating shaft mounting sleeve 16 through a bearing.

The invention is provided with a first driven chain wheel 38 at one end of the shaft body 152 far away from the box body 9, a second driven chain wheel 39 at one end of the rotating shaft of the central wheel 7 far away from the central wheel 7, the first driving motor 4 and the second driving motor 5 are detachably arranged on the frame 1 by bolts, and the output shafts of the first driving motor 4 and the second driving motor 5 are respectively provided with a first driving sprocket 40 and a second driving sprocket 41, the first driving sprocket 40 is connected with the first driven sprocket 38 by a first chain 42, and the second driving sprocket 41 is connected with the second driven sprocket 39 by a second chain 43.

Example 2

The present embodiment is a further improvement on the basis of embodiment 1, and compared with embodiment 1, the present embodiment is further provided with a first proximity switch 17 and a second proximity switch 18, in the present embodiment, the number of the winding shaft 3 is four, that is, N =4, the second proximity switch 18 is installed on the rack 1, one side of the box 9 of the rotor 2 close to the rack 1 is uniformly provided with four detection rods 19 along the circumferential direction of the rotor 2, in the present embodiment, preferably, four nuts are welded on the box 9, the detection rods 19 are bolts, bolt portions of the bolts are in threaded connection with the nuts on the box 9, when the rotor 2 rotates to the second proximity switch 18 to detect the detection rods 19, the first driving motor 4 stops rotating, the present invention preferably, the rack 1 is detachably installed with an inductor mounting rack 46 by using the bolts, the inductor mounting bracket 46 is L-shaped, and the second proximity switch 18 is mounted on the inductor mounting bracket 46; the first proximity switch 17 is arranged on the rack 1, a first proximity switch mounting frame 47 is detachably mounted on the rack 1 through bolts, the first proximity switch 17 is mounted on the first proximity switch mounting frame 47, a detection block 20 is arranged at the end part of one end, away from the winding shaft 3, of a rotating shaft of the central wheel 7, and the first driving motor 4 is controlled to rotate when the first proximity switch 17 detects that the detection block 20 is M times, wherein M is a positive integer, and the specific numerical value is determined according to the length of a bandage to be wound on each paper tube.

The detecting block 20 in the present embodiment includes two elongated first detecting units 21 and second detecting units 22, and the two ends of the first detecting unit 21 and the second detecting unit 22 are provided with rounded corners, the first detecting unit 21 and the second detecting unit 22 are perpendicular to each other, a first fixing groove 23 is formed on the first detecting unit 21 at a side close to the second detecting unit 22, one side of the second detecting unit 22 close to the first detecting unit 21 extends into the first fixing groove 23, the first detection unit 21 and the second detection unit 22 are both provided with fixing through holes 48, the fixing through hole 48 of the first detecting unit 21 is opened in the first fixing groove 23, the first detection unit 21 and the second detection unit 22 are detachably mounted at the end part of the rotating shaft of the center wheel 7 by a first bolt 24 which passes through a first fixing groove 23 and is in threaded connection with the rotating shaft of the center wheel 7; in this embodiment, a second fixing groove 25 is formed on a side of the second detecting unit 22 close to the first detecting unit 21, the first fixing groove 23 and the second fixing groove 25 are matched to realize the engagement between the first detecting unit 21 and the second detecting unit 22, so as to prevent the first detecting unit 21 and the second detecting unit 22 from rotating relatively, and the first detecting unit 21 is further rotatably connected with the rotating shaft of the center wheel 7 by a second bolt 26 located on the first fixing groove 23, so that the first detecting unit 21, the second detecting unit 22 and the rotating shaft of the center wheel 7 do not rotate relatively. The first proximity switch 17 and the second proximity switch 18 described in the present embodiment each employ a schneider XS8S173NBL2C inductive proximity switch, which is a prior art technology, and a controller and a control program for controlling the rotation and stop of the first driving motor 4. The second driving motor 5 continuously works to drive all the four winding shafts 3 to continuously rotate, when the first driving motor 4 drives the rotating head 2 to rotate for 90 degrees, the second proximity switch 18 detects one detection rod 19, the first driving motor 4 stops rotating at the moment, the bandage is wound on one winding shaft 3 at the moment, when the first proximity switch detects M detection blocks 20, the first driving motor 4 rotates for 90 degrees again, and the other winding shaft 3 rotates to the winding shaft 3 of the previous bandage, so that the bandage is continuously wound. The rotation shaft of the center wheel 7 described in the present invention rotates once, and the number of times the first proximity switch 17 detects the detection block 20 is four times, that is, the both ends of the first detection unit 21 and the second detection unit 22 are once.

The structure of the rest of this embodiment is the same as that of embodiment 1, and embodiment 1 may be referred to specifically, and details are not repeated in this embodiment.

Example 3

The embodiment is a further improvement on the

embodiment

1 or 2, compared with the

embodiment

1 or 2, the embodiment is further provided with a bracket 27 for supporting bandages, the bracket 27 is horizontally arranged on the frame 1 by a plurality of support rods 28, the bracket 27 is provided with a bracket fixing hole, one end of each support rod 28 is welded on the frame 1, the other end of each support rod 28 passes through the bracket fixing hole to support the bracket 27, the top of the bracket 27 is provided with a conveying groove 29 along the length direction, when the bandage winding machine is used, the bandages are conveyed in the conveying groove 29 towards the winding shaft 3, and the height of the groove bottom of the conveying groove 29 is larger than that of the center line of the rotating head 2. The remaining structure of this embodiment is the same as that of embodiment 1 or embodiment 2, and reference may be made to embodiment 1 or embodiment 2, which is not described in detail in this embodiment.

Example 4

The embodiment is a further improvement on the basis of the embodiment 3, and compared with the embodiment 3, the embodiment is further provided with an air drying device, the air drying device comprises an air drying pipe 30, two ends of the air drying pipe 30 are closed, the air drying pipe 30 is installed on the rack 1 and is positioned right above the bracket 27, the air drying pipe 30 is communicated with a blowing device, and the bottom of the air drying pipe 30 is provided with a plurality of air outlet holes for drying bandages on the bracket 27. A plurality of L-shaped supports 49 are detachably arranged on a rack 1 by adopting bolts, a fixing ring 50 is sleeved on an air drying pipe 30, a pull rod 51 is connected to the fixing ring 50, and the top end of the pull rod 51 is in threaded connection with the L-shaped supports 49 and used for suspending the air drying pipe 30 above a towing bracket 27. The structure of the rest of this embodiment is the same as that of embodiment 2, and embodiment 3 may be specifically referred to, which is not described in detail herein.

Parts which are not specifically described in the above description are prior art or can be realized by the prior art. The specific embodiments of the present invention are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. That is, all equivalent changes and modifications made according to the contents of the claims of the present invention should be regarded as the technical scope of the present invention.

Claims

1. Bandage coiling mechanism, its characterized in that: including frame (1), rotate head (2), N rolling axle (3), first driving motor (4) and second driving motor (5), wherein N is positive integer, it installs in frame (1) and rotates by first driving motor (4) drive relative frame (1) to rotate head (2), rolling axle (3) are installed and are used for placing the fiber container of rolling the bandage on rotating head (2) and rolling axle (3) are rotated by second driving motor (5) drive, rolling axle (3) rotate and are used for rolling the bandage on the fiber container, first driving motor (4) drive every time rotate head (2) pivoted angle be 360 degrees/N be used for changing the position of rolling axle (3).

2. The bandage rolling device of claim 1, wherein: the rotating head (2) comprises a gear box (6), a central wheel (7) and planet wheels (8) the number of which is equal to that of the winding shaft (3), the gear box (6) is rotatably installed on the rack (1) and is driven by a first driving motor (4), the central wheel (7) and the planet wheels (8) are rotatably installed in the gear box (6), the planet wheels (8) are uniformly arranged along the circumferential direction of the central wheel (7) and all the planet wheels (8) are meshed with the central wheel (7), the rotating shaft of the central wheel (7) extends out of the gear box (6) and is connected with a second driving motor (5), the rotating shaft of the planet wheels (8) extends out of the gear box (6) and is used for installing the winding shaft (3), the rotating shafts of the central wheel (7) and the planet wheels (8) respectively extend out of the gear box (6) from two sides of the gear box (6), the first driving motor (4) drives the gear box (6) and the, the second driving motor (5) drives the central wheel (7) and the planet wheel (8) to rotate.

3. The bandage rolling device of claim 2, wherein: the gearbox (6) comprises a box body (9), a cavity for mounting a central wheel (7) and planet wheels (8) is formed in the box body (9), an inner end cover (10) and an outer end cover (11) are detachably mounted on the box body (9), the inner end cover (10) is attached to the outer end cover (11), a central wheel shaft hole (12) and first planet wheel through holes (13) with the same number as the planet wheels (8) are formed in the inner end cover (10), a second planet wheel through hole (14) corresponding to the first planet wheel through holes (13) is formed in the outer end cover (11), the end portion of the rotating shaft of the central wheel (7) is rotatably connected with the central wheel shaft hole (12), and the rotating shaft of the planet wheels (8) penetrates through the first planet wheel through holes (13) and the second planet wheel through holes (14) to be detachably connected with a winding shaft (3).

4. The bandage rolling device of claim 3, wherein: one end of the gear box (6) far away from the winding shaft (3) is provided with a box rotating shaft (15), the box rotating shaft (15) is rotatably connected with the rack (1), the box rotating shaft (15) is connected with the first driving motor (4), one end of the rotating shaft of the center wheel (7) far away from the winding shaft (3) extends out of the box rotating shaft (15), the rotating shaft of the center wheel (7) is coaxially arranged with the box rotating shaft (15) and is rotatably connected with the box rotating shaft, and the rotating shaft of the center wheel (7) is connected with the second driving motor (5).

5. The bandage rolling device of claim 4, wherein: the box body rotating shaft device is characterized by further comprising a rotating shaft installation sleeve (16), wherein the rotating shaft installation sleeve (16) is detachably installed on the rack (1), and the box body rotating shaft (15) is rotatably connected with the rotating shaft installation sleeve (16).

6. The bandage rolling device of any one of claims 2 to 5, wherein: the winding device is characterized by further comprising a first proximity switch (17) and a second proximity switch (18), the number of the winding shaft (3) is four, the second proximity switch (18) is installed on the rack (1), one side, close to the rack (1), of the rotating head (2) is evenly provided with four detection rods (19) along the circumferential direction of the rotating head (2), when the rotating head (2) rotates to the second proximity switch (18) to detect the detection rods (19), the first driving motor (4) stops rotating, the first proximity switch (17) is arranged on the rack (1), the end, away from one end of the winding shaft (3), of the rotating shaft of the center wheel (7) is provided with a detection block (20), the first proximity switch (17) detects the detection block (20) and controls the first driving motor (4) to rotate M times, wherein M is a positive integer.

7. The bandage rolling device of claim 6, wherein: the detection block (20) comprises two strip-shaped first detection units (21) and two strip-shaped second detection units (22), the first detection units (21) and the second detection units (22) are perpendicular to each other, one side, close to the second detection units, of each first detection unit (21) is provided with a first fixing groove (23), one side, close to the first detection units (21), of each second detection unit (22) extends into the corresponding first fixing groove (23), and the first detection units (21) and the second detection units (22) are detachably mounted at the end parts of rotating shafts of the center wheels (7) through first bolts (24) penetrating through the corresponding first fixing grooves (23).

8. The bandage rolling device of claim 7, wherein: a second fixing groove (25) is formed in one side, close to the first detection unit (21), of the second detection unit (22), the first fixing groove (23) is matched with the second fixing groove (25), and the first detection unit (21) is rotatably connected with a rotating shaft of the center wheel (7) through a second bolt (26) located on the first fixing groove (23).

9. The bandage rolling device of any one of claims 1 to 5, wherein: the bandage feeding device is characterized by further comprising a towing bracket (27) used for supporting bandages, wherein the towing bracket (27) is horizontally arranged on the rack (1) through a plurality of supporting rods (28), a conveying groove (29) is formed in the top of the towing bracket (27) along the length direction of the top of the towing bracket, the bandages are conveyed in the conveying groove (29), and the height of the bottom of the conveying groove (29) is larger than that of the center line of the rotating head (2).

10. The bandage rolling device of claim 9, wherein: still including air-drying the device, air-dry the device and include air-dry pipe (30), air-dry pipe (30) are installed in frame (1) and are located tow frame (27) directly over, air-dry pipe (30) intercommunication air-blast device, and open the bottom of air-dry pipe (30) has a plurality of exhaust vents to be used for drying the bandage on tow frame (27).